The four major functions of hormones are

movement
homeostasis
immunity
response to stimuli
reproduction
growth and development

The correct answers are -

b) Homeostasis

c) Immunity

e) reproduction

f) growth and development

Reason -

The endocrine system (produces and secretes hormones) is a vital system as it regulates the homeostasis by regulating the cell activity in the body. The endocrine system releases relevant hormones during specific time period in the blood which are then  transported across the blood , this not only maintains the chemical physical balance in our body but also regulate the vital functions of body such as growth, reproduction, and immunity  

the answer is b

explanation:

condensation. good luck!